Home / 25,292.72-34,913.52-19,023.20

Finding the Fourth Proportional to 25,292.72, 34,913.52 and 19,023.20

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Solution

The fourth proportional to 25,292.72, 34,913.52 and 19,023.20 is: 26,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,292.72 : 34,913.52 = 19,023.20 : x
  2. Step 2: Convert to fraction form
    25,292.72/34,913.52 = 19,023.20/x
  3. Step 3: Cross multiply
    25,292.72x = 34,913.52 × 19,023.20
  4. Step 4: Simplify right side
    25,292.72x = 664,166,873.66
  5. Step 5: Solve for x
    x = 664,166,873.66/25,292.72
  6. Step 6: Final answer
    x = 26,259.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.